MESON Chess Problem Database

Problem Display
PID: 255027 (6B1/4pp2/8/1NpP1Pp1/2N1knR1/1P1R3P/5K2/Q7 w - - 0 1)

Gladkikh, Valeri V

Sinfonie Scacchistiche, 1981

6B1/4pp2/8/1NpP1Pp1/2N1knR1/1P1R3P/5K2/Q7

#2

11 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qb1#
  • Tries
    • 1.Sd2+?
      • 1...Kxd3
        • 2.Qc3#
      • 1...Kxf5!
    • 1.Scd6+?
      • 1...Kxd3
        • 2.Qc3#
        • 2.Qd1#
      • 1...exd6!
    • 1.Bh7?
      • threat
        • 2.f6#
      • 1...Kxd3
        • 2.Qb1#
      • 1...f6!
    • 1.Rd1?
      • threat
        • 2.Qe5#
        • 2.Qb1#
      • 1...e5
        • 2.Scd6#
        • 2.Sbd6#
        • 2.Qxe5#
        • 2.Qb1#
      • 1...f6
        • 2.Qb1#
      • 1...Kxf5!
    • 1.Rd2?
      • threat
        • 2.Qe5#
        • 2.Qb1#
      • 1...e5
        • 2.Scd6#
        • 2.Sbd6#
        • 2.Qxe5#
        • 2.Qb1#
      • 1...f6
        • 2.Qb1#
      • 1...Kxf5!
    • 1.Re3+?
      • 1...Kxd5
        • 2.Qa8#
      • 1...Kxf5!
    • 1.Rdg3?
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qa8#
      • 1...e5
        • 2.Qxe5#
      • 1...f6
        • 2.Qb1#
      • 1...Kxf5!
    • 1.Rxf4+?
      • 1...Kxd3
        • 2.Qc3#
        • 2.Qb1#
        • 2.Qd1#
      • 1...Kxf4
        • 2.Qe5#
      • 1...gxf4!
    • 1.Qe1+?
      • 1...Kxd3
        • 2.Qb1#
      • 1...Kxf5!
    • 1.Qh1+?
      • 1...Kxd3
        • 2.Qb1#
      • 1...Kxf5!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qa8#
      • 1...Kxf5
        • 2.Bh7#
      • 1...e5
        • 2.Qxe5#
      • 1...f6
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XR(D)::QAB(A)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);N_GUARD,N_SPINS(b),S_FLIGHT,XR(D)::QAR1(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • S(F);CHECK
      • Refutation
        • P(e);XS(F)
    • Try
      • B(K);
      • Threat
        • B(K)+P(J)
      • Vars
        • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • Refutation
        • P(f);
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • R(D);CHECK
      • Vars
        • K(a);N_GUARD,N_SPINS(b),P_SPINP(f),S_FLIGHT,XP(I)::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • R(D);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);N_SPINS(b),OGATEB,P_SPINP(f),S_FLIGHT,XP(I)::QAB(A)
        • P(e);::QAR1(A),XP(e)
        • P(f);::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • R(G);CHECK,XS(b)
      • Vars
        • K(a);N_GUARD,P-FLIGHT,XR(G)::QAB1(A)
      • Refutation
        • P(d);XR(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT,XP(J)
  • Actual
    • R(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);N_SPINS(b),OGATEB,P_SPINP(f),S_FLIGHT,XP(I)::QAB(A)
      • K(a);OGATEB,S_FLIGHT,XP(J)::B(K)
      • P(e);::QAR1(A),XP(e)
      • P(f);::QAB(A)
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